Home / 8,104.77-12,152.28-3,168.53

Finding the Fourth Proportional to 8,104.77, 12,152.28 and 3,168.53

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Solution

The fourth proportional to 8,104.77, 12,152.28 and 3,168.53 is: 4,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.77 : 12,152.28 = 3,168.53 : x
  2. Step 2: Convert to fraction form
    8,104.77/12,152.28 = 3,168.53/x
  3. Step 3: Cross multiply
    8,104.77x = 12,152.28 × 3,168.53
  4. Step 4: Simplify right side
    8,104.77x = 38,504,802.99
  5. Step 5: Solve for x
    x = 38,504,802.99/8,104.77
  6. Step 6: Final answer
    x = 4,750.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.